回答編集履歴
1
コードを修正
answer
CHANGED
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@@ -2,14 +2,16 @@
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2
2
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```python
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3
3
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#TrafficLight内
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4
4
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def OnTraffic(self, event):
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5
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-
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5
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+
self.blue.SetBackgroundColour(None)
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6
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-
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6
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self.yellow.SetBackgroundColour('yellow')
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7
7
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self.Refresh()
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8
8
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sleep(2)
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9
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+
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9
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-
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10
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self.yellow.SetBackgroundColour(None)
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10
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-
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11
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self.red.SetBackgroundColour('red')
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self.Refresh()
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sleep(2)
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14
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+
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15
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self.red.SetBackgroundColour(None)
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14
16
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self.blue.SetBackgroundColour('green')
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15
17
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self.Refresh()
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